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Finding the Fourth Proportional to 65,393.58, 90,240.03 and 37,098.66

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Solution

The fourth proportional to 65,393.58, 90,240.03 and 37,098.66 is: 51,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,393.58 : 90,240.03 = 37,098.66 : x
  2. Step 2: Convert to fraction form
    65,393.58/90,240.03 = 37,098.66/x
  3. Step 3: Cross multiply
    65,393.58x = 90,240.03 × 37,098.66
  4. Step 4: Simplify right side
    65,393.58x = 3,347,784,191.36
  5. Step 5: Solve for x
    x = 3,347,784,191.36/65,393.58
  6. Step 6: Final answer
    x = 51,194.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.